Correct way to add inhibitor

[laurence1976]

I have been asked to add some inhibitor to a fairly old heating system, what is the correct procedure to achieve this? should I just drain the system enough to empty the F & E tank and pour it in or should the whole system be drained and flushed thoroughly beforehand? I am a bit concerned that I may have problems re-filling it and removing air if I drain it completely.

Any help would be appreciated, Laurence.

 

[kevplumb]

think id use a cleaner before putting inhibitor in

 

[oilman]

So would I.

 

[corgiman]

you know what????

i would to

anyone else concur with kevs excellent advise

 

[kevplumb]

drain the system add x400 or ferroquest
refill and vent
leave it in for a couple of days
drain refill and vent (twice)
add inhibitor x100
refill vent test
go to pub and have a pint

 

[JAMES2]

I'm not going to answer this one - just in case I'm called a saleman again.

 

[kevplumb]